Thermostatic valve



FIG. 1 is a front, top, left-hand side perspective view of a thermostatic valve comprising a new, original and ornamental design;

FIG. 2 is a rear view of a thermostatic valve comprising the new, original and ornamental design;

FIG. 3 is a bottom view of a thermostatic valve comprising the new, original and ornamental design;

FIG. 4 is a front view of a thermostatic valve comprising the new, original and ornamental design;

FIG. 5 is a left-hand side view of a thermostatic valve comprising the new, original and ornamental design;

FIG. 6 is a right-hand side view of a thermostatic valve comprising the new, original and ornamental design; and,

FIG. 7 is a top view of a thermostatic valve comprising the new, original and ornamental design. 

CLAIM The ornamental design for a thermostatic valve, as shown and described. 